CAD Draw, CAD Control, printing, C/C++,.NET Source Codes
a parametric 3D CAD modeler
Link branch FreeCAD
The programmer's solid 3D CAD modeller
A free and open source multiplatform 3D parametric modeler
Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations
A dead simple 2D game library for Go
E-XD++ Diagram Control for C/C++, .NET, the professional Diagram.
Cross-platform Open-source 2D CAD
Print and Report Control Source Codes for C/C++, .net
2D & 3D TeX-Aware Vector Graphics Language
Static and Dynamic Structural Analysis of 2D and 3D frames.
A Full PLM system based on odoo
2D CAD for precise drawing
Draw curves, colored 2D maps with CAD capabilities
A Windows-based viewer currently supporting CDR & 2D DXF files
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
3D/2D Concrete Reinforcement in Bentley MicroStation
converts between IGES file and text file
A canvas library for generating technical drawings
SOLVESPACE is a free (GPLv3) parametric 3d CAD tool.
E-XD++ Visualization Source Code Library with C++
Free CAD software
Design your own pottery for 3D printing in full color